Stats in Fallout Shelter are marked by the code-name SHELTER—each letter stands for a certain individual stat. In order to progress swiftly through the game, knowledge about the various stats is required. It is a fact that in this game, no stat is useless. Each and every stat is essential; and this guide is here to help you!

There are seven stats in this game, namely: Strength, Perception, Endurance, Charisma, Intelligence, Agility, and Luck. You will get to learn about all of them as you read this special stat guide. From there, the rest is up to you. Good luck in keeping your vault safe and sustainable in the midst of a post-apocalyptic world.

SPECIAL Stats Guide

Strength

The “S” in SPECIAL stand for Strength.

Vault Effect: It is the primary stat that power generators and nuclear reactors rely on. Dwellers with high amounts of strength are capable of increasing the speed at which power generators and nuclear reactors yield power.

Wastelands Effect: This stat allows explorers to carry more loot. Also, the success rate in opening lockers is proportional to amount of strength of the explorer.

Quest Effect: Strength increases weapon damage.

Training: Dwellers can improve their strength by training in the Weight room.

Perception

The “P” in SPECIAL stand for Perception.

Vault Effect: It is the primary stat that water treatment and water purification rooms rely on. Dwellers with high amounts of perception are capable of increasing the speed at which water treatment and water purification rooms produce water.

Wastelands Effect: This stat increases the discovery rate of explorers. Significant discoveries include new locations and loots

Quest Effect: Perception makes critical hits more accurate. It does so by slowing down the speed at which the critical hit cursor moves.

Training: Dwellers can heighten their perception by training in the Armory.

Endurance

The “E” in SPECIAL stand for Endurance.

Vault Effect: It is the primary stat that Nuka-Cola bottlers rely on. The storage room is also marked as an endurance room but it doesn't really seem to exhibit any effect from assigned dwellers. Dwellers with high amounts of endurance are capable of increasing the speed at which Nuka-Cola bottlers yield products.

Wastelands Effect: This stat gives explorers more health. Every level-up increases maximum health proportionally to the amount of points in this stat. It is also noteworthy that an endurance stat amount of 11 points grants immunity to radiation.

Quest Effect: Endurance determines the maximum amount of health.

Training: Dwellers can increase their endurance by working-out in the Fitness room.

Charisma

The “C” in SPECIAL stand for Charisma.

Vault Effect: It is the primary stat that living quarters and radio studios rely on. Dwellers with high amounts of charisma are capable of increasing the speed at which living quarters facilitate baby-making and radio studios attract potential dwellers.

Wastelands Effect: This stat empowers explorers to become much well-versed in conversation, diplomacy, and negotiation. As a result, more rewards are earned when explorers meet people during quests.

Training: Dwellers can boost their charisma by hanging-out in the Lounge.

Intelligence

The “I” in SPECIAL stand for Intelligence.

Vault Effect: It is the primary stat that medbays and science labs rely on. Dwellers with high amounts of intelligence are capable of increasing the speed at which medbays and science labs produce stimpaks and radaways.

Wastelands Effect: This stat allows explorers to help more people, which in turn, yield more rewards. This stat also helps in identifying enemy weaknesses, which results in better battle outcomes. Furthermore, this stat increases the amount of experience earned.

Quest Effect: Intelligence increases the chance of finding stimpaks and radaways. Also, it increases the experience earned from overcoming enemies.

Training: Dwellers can enhance their intelligence by studying in the Classroom.

Agility

The “A” in SPECIAL stand for Agility.

Vault Effect: It is the primary stat that diners and gardens rely on. Dwellers with high amounts of agility are capable of increasing the speed at which diners and gardens yield products.

Wastelands Effect: This stat increases the success rate of fleeing from enemies in the wastelands. This, in turn, decreases the amount of damage received from enemies while fleeing.

Training: Dwellers can increase their agility by training in the Athletics room.

Luck

The “L” in SPECIAL stand for Luck.

Vault Effect: Dwellers with high amounts of luck are capable of decreasing the instances of rush failures. Also, high amounts of luck increase the chance of earning caps during productions and successful rushes.